TEACH FOR AMERICA For more information, write to: Teach for America, P.O. Box 5114, New York City, N.Y. 10185. For Princeton University graduate Wendy Kopp, her senior thesis not only changed her life but the lives of other graduates. Her proposal not only gave her a career, it sparked change in education. While a student of public policy, Kopp, at 22, wrote a senior thesis suggesting that col